The smooth,open bore with no valving in either half offers minimal pressure drop and allows easy cleaning in applications where the same lines are used for more than one media. HTC-TPLcouplers and nipples are machined from solid bar stock providing the quality coupling that is durable. HTC-TPL nipples are available in brass and zinc-Plated steel.The ball locking grooves of the steel HTC-TPL nipples are case hardened for resistance to brinelling where high cycle rates and pressure surges are encountered. The HTC-TPL is an Interchange coupling because the dimensionally and functionally can interchange with simiar couplings made by other manufactures. Compatible with 3/8' ITEMA 3800 KEW